MVC Remote Validation Additionalfields Trigger

jquery.validate.remote.js

function getModelPrefix(fieldName) {
        return fieldName.substr(0, fieldName.lastIndexOf(".") + 1);
    }

    function appendModelPrefix(value, prefix) {
        if (value.indexOf("*.") === 0) {
            value = value.replace("*.", prefix);
        }
        return value;
    }

    function escapeAttributeValue(value) {
        // As mentioned on http://api.jquery.com/category/selectors/
        return value.replace(/([!"#$%&'()*+,./:;<=>?@\[\\\]^`{|}~])/g, "\\$1");
    }

    function initializeRemotelyValidatingElementsWithAdditionalFields(formId) {
        const $form = $('#' + formId);
        const remotelyValidatingElements = $form.find("[data-val-remote]");

        $.each(remotelyValidatingElements, function (i, element) {
            var $element = $(element);

            const additionalFields = $element.attr("data-val-remote-additionalfields");

            if (additionalFields.length === 0) return;

            const rawFieldNames = additionalFields.split(",");
            const prefix = getModelPrefix(element.name);

            const fieldNames = $.map(rawFieldNames, function(fieldName) {
                return appendModelPrefix(fieldName, prefix);
            });

            $.each(fieldNames, function (i, fieldName) {
                $form.find(":input").filter("[name='" + escapeAttributeValue(fieldName) + "']").change(function () {
                    // force re-validation to occur
                    $element.removeData("previousValue");
                    $element.valid();
                });
            });
        });
    }